-57.28% is the change from 913 to 390
Calculation steps:
[( 390 - 913 ) ÷ 913] x 100 = -57.28%
Formula
Percentage change = [(390 - 913) / 913] x 100
Subtract the new number by the original number
390 - 913 = -523
-523 ÷ 913 = -0.5728368017524644
-0.5728368017524644 x 100 = -57.28%